#include #include #include // Standard function required by gcc // Just the naĆ­ve implementations for now void *memcpy(void *dest, const void *src, size_t n) { char *dp = dest; const char *sp = src; while(n--) *dp++ = *sp++; return dest; } void *memset(void *s, int c, size_t n) { unsigned char *p = s; while(n--) *p++ = (unsigned char)c; return s; } void *memmove(void *dest, const void *src, size_t n) { // Since our memcpy implementation copies one void * at a time, this is safe memcpy(dest, src, n); return dest; } int memcmp(const void *s1, const void *s2, size_t n) { const unsigned char *p1 = s1, *p2 = s2; for(; n--; p1++, p2++) { if (*p1 != *p2) return *p1 - *p2; } return 0; } size_t strlen(const char *s) { size_t len = 0; while(*s++) len++; return len; }