pcre-7/pcre/pcre_compile.c

1044   lorn         name length, or subpattern number if name is NULL
1052 find_parens_sub(uschar **ptrptr, compile_data *cd, const uschar *name, int lorn,
1077     if (name == NULL && *count == lorn) return *count;
1110       if (name == NULL && *count == lorn) return *count;
1115       if (name != NULL && lorn == ptr - thisname &&
1116           strncmp((const char *)name, (const char *)thisname, lorn) == 0)
1209     int rc = find_parens_sub(&ptr, cd, name, lorn, xmode, count);
1254   lorn         name length, or subpattern number if name is NULL
1261 find_parens(compile_data *cd, const uschar *name, int lorn, BOOL xmode)
1274   rc = find_parens_sub(&ptr, cd, name, lorn, xmode, &count);