usr.bin/m4/gnum4.c
202
static void add_sub(int, const char *, regex_t *, regmatch_t *);
usr.bin/m4/gnum4.c
278
add_sub(0, string, re, pm);
usr.bin/m4/gnum4.c
289
add_sub(0, string, re, pm);
usr.bin/m4/gnum4.c
296
add_sub(*(++p) - '0', string, re, pm);