2 * strstr -- locate first occurence of a substring
4 * Locates the first occurrence in the string pointed to by S1 of the string
5 * pointed to by S2. Returns a pointer to the substring found, or a NULL
6 * pointer if not found. If S2 points to a string with zero length, the
9 * For license terms, see the file COPYING in this directory.
12 char *strstr(register char *buf, register char *sub)
30 sub -= (unsigned long) bp;
31 sub += (unsigned long) buf;