uint8_t *var;
var=//something;
现在我想遍历这个 var 的每个元素如何做到这一点请帮助
像普通 C 一样制作循环。uint8_t *var
只是一个 C 数组。
for (uint8_t i = 0; i < ARRAY_LENGTH; ++i) {
var[i] = ...; // Do whatever you want
}
例如
uint8_t *v = (uint8_t *)malloc(5 * sizeof(uint8_t));
for (uint8_t i = 0; i < 5; ++i) {
v[i] = i;
}
for (uint8_t i = 0; i < 5; ++i) {
NSLog(@"%d\n", v[i]);
}
free(v);
请注意,uint8_t
这与unsigned char
:
#ifndef _UINT8_T
#define _UINT8_T
typedef unsigned char uint8_t;
#endif /*_UINT8_T */