摘要:
perror()函数的函数原型void perror(char const *message);它会将message信息输出出来,后面再加上错误原因字符串。下面是来自百度百科的实例:#include int main(void){ FILE *fp ; fp = fopen( "/root/noexitfile", "r+" ); if ( NULL == fp ) { perror("/root/noexitfile"); } return 0;} 阅读全文
摘要:
动态分配内存#include#includeint compare_integers(void const *a,void const *b){ register int const *pa = a; register int const *pb = b; return *pa>*pb ? 1:*pa<*pb ? -1:0;}int main(){ int *array; int n_value; int i; printf("How many values are there?\n"); if(scanf("%d",&n_value 阅读全文