oot/src/libultra_boot_O2/string.c

34 lines
520 B
C

#include "global.h"
const char* strchr(const char* str, s32 ch) {
u8 c = ch;
while (*str != c) {
if (*str == 0) {
return NULL;
}
str++;
}
return str;
}
u32 strlen(const char* str) {
const char* ptr = str;
while (*ptr) {
ptr++;
}
return ptr - str;
}
void* memcpy(void* dst, const void* src, u32 size) {
u8* _dst = dst;
const u8* _src = src;
while (size > 0) {
*_dst++ = *_src++;
size--;
}
return dst;
}