#include <u.h>
#include <base.h>

char*
str·erfindc(char *s, char *e, int c)
{
    int n;
    if(e < s)
        return nil;

    n = e-s;
    c = (uchar)c;
    while(n--)
        if(s[n]==c)
            return s+n;
    return nil;
}