其中,返回0则代表打开成功,返回13代表的错误是“权限被拒绝”。FILE* fp;errno_t error;char ch;char temp[32] = {};int i = 0;int usernb = 0;error = fopen_s(&fp, "UserData.txt", "r+");if (fp == NULL){ return1;} 上⾯的代码由于⽂件打开失败 fp == NULL ⽂件打开失败 //...
只能进行一次操作(即只能进行一次读写操作),注意:当你在不同的地方对某一文件只要使用过一次fopen_s 或 _wfopen_s,这个文件就变成非共享的文件了,再次进行读写的时候,就可能会返回int error = 13也就是EACCES (Permission denied)的错误。
, MONITOR_DEFAULTTOPRIMARY); // Errors GetMonitorInfo(monitorA, &monitorAInfo); // No error 错误:未在此作用域中声明“”MonitorFromWindow“” 错误:未在此作用域中声明“”MONITOR_DEFAULTTOPRIMARY“” 另外,我在gcc编译器中使用Code::bloc
至于fopen中的b方式要不要判断平台,刚刚在wsl+gcc13上试了一下,加上无效参数好像是不影响的,但还是...
Se si verifica un errore, viene restituito il codice di errore e viene impostata la variabile errno globale. Per altre informazioni, vedereerrno, _doserrno, _sys_errliste _sys_nerr.Per impostazione predefinita, lo stato globale di questa funzione è limitato all'applicazione. Per modificar...
error C2660: fopen_s : 函数不接受 2 个参数 如果是errno_t fopen_s( FILE** pFile, const char *filename, const char *mode );的话,那么 将 fp = fopen_s ("car.txt", "r"); 修改为: fopen_s (&fp, "car.txt", ... 冰雪传奇网页版官方首页——传奇游戏官网 冰雪传奇网页版《战online...
error C4996: 'fopen': This function or variable may be unsafe. Consider using fopen_s instead. To disable deprecation, use _CRT_SECURE_NO_WARNINGS. See online help for details. 解决方法: 项目->属性->c/c++->预处理器->点击预处理器定义->编辑,加入_CRT_SECURE_NO_WARNINGS...
13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 #include <stdio.h> FILE*stream, *stream2; intmain(void) { intnumclosed; errno_t err; // Open for read (will fail if file "crt_fopen_s.c" does not exist) ...
Line 20:[Error] 'fopen_s' was not declared in this scope Line 30:[Error] 'fopen_s' was not declared in this scope Below is my code which gives errors. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22