usr.bin/m4/gnum4.c
203
static void add_sub(int, const char *, regex_t *, regmatch_t *);
usr.bin/m4/gnum4.c
303
add_sub(0, string, re, pm);
usr.bin/m4/gnum4.c
314
add_sub(0, string, re, pm);
usr.bin/m4/gnum4.c
321
add_sub(*(++p) - '0', string, re, pm);