src/base/string/raw/nrfindc.c


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

char*
str·nrfindc(char *s, intptr n, int c)
{
    if(n < 0)
        return nil;

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