摘要：一个小demo #include <stdio.h> int main(void) { int arr[5] = { 0 }; FILE* file = fopen("a.txt", "r+"); fread(arr, 4, 4, file); for(int i = 0; i < 4; i++) 阅读全文

摘要：头文件 <stdio.h> 函数原型 size_t fread(void *ptr, size_t size, size_t nmemb, FILE *stream); size_t fwrite(const void *ptr, size_t size, size_t nmemb, FILE *s 阅读全文

摘要：int main(void) { printf("\033[31;1m haha\n"); printf("\033[32;1m haha\n"); printf("\033[33;1m haha\n"); printf("\033[34;1m haha\n"); printf("\033[35;1 阅读全文