strrchr.c

/*
# _____     ___ ____     ___ ____
#  ____|   |    ____|   |        | |____|
# |     ___|   |____ ___|    ____| |    \    PS2DEV Open Source Project.
#-----------------------------------------------------------------------
# Copyright 2001-2004, ps2dev - http://www.ps2dev.org
# Licenced under Academic Free License version 2.0
# Review ps2sdk README & LICENSE files for further details.
*/
 
#define SYSCLIB_DISABLE_BUILTINS
#include <sysclib.h>
 
char *strrchr(const char *s, int c)
{
    const char *v2;
    const char *i;
    char *result;
 
    v2 = s;
    if (!s)
    {
        return 0;
    }
    while (*s++) {}
    for (i = s - 1; ; i -= 1)
    {
        result = (char *)i;
        if (*i == (char)c)
        {
            break;
        }
        if (v2 >= i)
        {
            return 0;
        }
    }
    return result;
}