# | Line 50 | Line 50 | extern int xf(XF *ret, int ac, char *av[]); | |
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50 | extern int invxf(XF *ret, int ac, char *av[]); | |
51 | extern int fullxf(FULLXF *fx, int ac, char *av[]); | |
52 | /* defined in zeroes.c */ | |
53 | < | extern int quadtratic(double *r, double a, double b, double c); |
53 | > | extern int quadratic(double *r, double a, double b, double c); |
54 | /* defined in dircode.c */ | |
55 | extern int32 encodedir(FVECT dv); | |
56 | extern void decodedir(FVECT dv, int32 dc); |
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