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/* RCSid $Id: rtio.h,v 3.32 2024/12/03 01:11:43 greg Exp $ */
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/*
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* Radiance i/o and string routines
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*/
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#ifndef _RAD_RTIO_H_
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#define _RAD_RTIO_H_
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#include <stdio.h>
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#include <sys/types.h>
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#include <fcntl.h>
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#include <string.h>
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#include <time.h>
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#ifdef getc_unlocked /* avoid horrendous overhead of flockfile */
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#undef getc
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#undef getchar
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#undef putc
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#undef putchar
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#define getc getc_unlocked
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#define getchar getchar_unlocked
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#define putc putc_unlocked
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#define putchar putchar_unlocked
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#ifndef __cplusplus
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#undef feof
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#undef ferror
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#define feof feof_unlocked
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#define ferror ferror_unlocked
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#endif
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#endif
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#ifdef __cplusplus
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extern "C" {
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#endif
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/* identify header lines */
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#define MAXFMTLEN 64
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#define isheadid(s) headidval(NULL,s)
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#define isformat(s) formatval(NULL,s)
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#define isdate(s) dateval(NULL,s)
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#define isgmt(s) gmtval(NULL,s)
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#define LATLONSTR "LATLONG="
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#define LLATLONSTR 8
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#define islatlon(hl) !strncmp(hl,LATLONSTR,LLATLONSTR)
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#define latlonval(ll,hl) (sscanf((hl)+LLATLONSTR, "%f %f", \
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&(ll)[0],&(ll)[1]) == 2)
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#define fputlatlon(lat,lon,fp) fprintf(fp,"%s %.6f %.6f\n",LATLONSTR,lat,lon)
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/* defined in header.c */
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extern void newheader(const char *t, FILE *fp);
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extern int headidval(char *r, const char *s);
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extern int dateval(time_t *t, const char *s);
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extern int gmtval(time_t *t, const char *s);
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extern void fputdate(time_t t, FILE *fp);
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extern void fputnow(FILE *fp);
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extern void printargs(int ac, char **av, FILE *fp);
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extern int formatval(char fmt[MAXFMTLEN], const char *s);
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extern void fputformat(const char *s, FILE *fp);
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extern int nativebigendian(void);
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extern int isbigendian(const char *s);
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extern void fputendian(FILE *fp);
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typedef int gethfunc(char *s, void *p); /* callback to process header lines */
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extern int getheader(FILE *fp, gethfunc *f, void *p);
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extern int globmatch(const char *pat, const char *str);
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extern int checkheader(FILE *fin, char fmt[MAXFMTLEN], FILE *fout);
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/* defined in fltdepth.c */
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extern int open_float_depth(const char *fname, long expected_length);
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/* defined in badarg.c */
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extern int badarg(int ac, char **av, const char *fl);
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/* defined in expandarg.c */
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extern int envexpchr, filexpchr;
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extern int expandarg(int *acp, char ***avp, int n);
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/* defined in fdate.c */
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extern time_t fdate(const char *fname);
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extern time_t fddate(int fd);
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extern int setfdate(const char *fname, long ftim);
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/* defined in fgetline.c */
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extern char *fgetline(char *s, int n, FILE *fp);
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/* defined in fgetval.c */
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extern int fgetval(FILE *fp, int ty, void *vp);
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/* defined in fgetword.c */
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extern char *fgetword(char *s, int n, FILE *fp);
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/* defined in fputword.c */
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extern void fputword(char *s, FILE *fp);
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/* defined in fropen.c */
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extern FILE *frlibopen(char *fname);
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/* defined in getlibpath.c */
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extern char *getrlibpath(void);
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/* defined in gethomedir.c */
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extern char *gethomedir(char *uname, char *path, int plen);
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/* defined in getpath.c */
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extern char *getpath(char *fname, char *searchpath, int mode);
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/* defined in byteswap.c */
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extern void swap16(char *wp, size_t n);
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extern void swap32(char *wp, size_t n);
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extern void swap64(char *wp, size_t n);
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/* defined in portio.c */
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extern int putstr(char *s, FILE *fp);
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extern int putint(long i, int siz, FILE *fp);
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extern int putflt(double f, FILE *fp);
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extern size_t putbinary(const void *s, size_t elsiz, size_t nel, FILE *fp);
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extern char *getstr(char *s, FILE *fp);
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extern long getint(int siz, FILE *fp);
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extern double getflt(FILE *fp);
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extern size_t getbinary(void *s, size_t elsiz, size_t nel, FILE *fp);
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/* defined in rexpr.c */
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extern int ecompile(char *sp, int iflg, int wflag);
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extern char *expsave(void);
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extern void expset(char *ep);
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extern char *eindex(char *sp);
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/* defined in savestr.c */
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extern char *savestr(const char *str);
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extern void freestr(char *s);
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extern int shash(const char *s);
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/* defined in savqstr.c */
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extern char *savqstr(const char *s);
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extern void freeqstr(char *s);
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/* defined in wordfile.c */
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extern int wordfile(char **words, int nargs, char *fname);
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extern int wordstring(char **avl, int nargs, char *str);
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/* defined in words.c */
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extern char *atos(char *rs, int nb, char *s);
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extern char *nextword(char *cp, int nb, char *s);
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extern char *sskip(char *s);
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extern char *sskip2(char *s, int n);
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extern char *iskip(char *s);
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extern char *fskip(char *s);
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extern int isint(char *s);
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extern int isintd(char *s, char *ds);
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extern int isflt(char *s);
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extern int isfltd(char *s, char *ds);
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/* defined in lamp.c */
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extern float * matchlamp(char *s);
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extern int loadlamps(char *file);
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extern void freelamps(void);
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#ifndef strlcpy /* defined in option strlcpy.c */
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extern size_t strlcpy(char *dst, const char *src, size_t siz);
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extern size_t strlcat(char *dst, const char *src, size_t siz);
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#endif
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#ifndef strncasecmp /* defined in option strncasecmp.c */
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extern int strncasecmp(const char *s1, const char *s2, size_t n);
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#endif
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#ifndef strnstr /* defined in option strnstr.c */
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extern char * strnstr(const char *haystack,
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const char *needle, size_t len);
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#endif
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#ifdef __cplusplus
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}
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#endif
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#endif /* _RAD_RTIO_H_ */
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