#[std]
fn strlen(str: &char) -> num {
for (let i=0; str[i] != '\0'; i=i+1) {}
return i;
}
fn strcpy(dst: &char, src: &char) {
for (let i=0; src[i] != '\0'; i=i+1) {
dst[i] = src[i];
}
dst[i] = 0;
}
fn strcat(dst: &char, src: &char) {
let offset: num = strlen(dst);
for (let i=0; src[i] != '\0'; i=i+1) {
dst[offset+i] = src[i];
}
dst[offset+i] = 0;
}