libc/stdlib.c


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#include <stdlib.h>

/* adapted from <http://www.strudel.org.uk/itoa/> */
char* itoa(int val, int base)
{
    static char buf[32] = {0};

    int i = 30;

    for(; val && i ; --i, val /= base)

        buf[i] = "0123456789abcdef"[val % base];

    return &buf[i+1];
}