fw/base.c


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#include <unistd.h>

int __errno = 0;
void *_impure_ptr = NULL;

void __sinit(void) {
}

void *memset(void *s, int c, size_t n) {
    char *end = (char *)s + n;
    for (char *p = (char *)s; p < end; p++)
        *p = (char)c;
    return s;
}

size_t strlen(const char *s) {
    const char *start = s;
    while (*s++);
    return s - start - 1;
}

char *strcpy(char *dst, const char *src) {
    char *p = dst;
    while (*src)
        *p++ = *src++;
    return dst;
}