C语言编译时报错: 代码语言:javascript 复制 警告:隐式声明函数‘xxx’ [-Wimplicit-function-declaration] 加下对应函数的头文件就好。 比如 隐式声明函数‘time’ [-Wimplicit-function-declaration] Linux命令行man 2 time,找到time函数用到的头文件加上就ok了 代码语言:javascript 复制 #include 本文参与 腾讯云...
C 语言编译出现 implicit declaration of function 错误 在学习 c 语言的过程中,手动使用 clang 进行编译的时候,碰到自定义函数会报出下面的错误: error: implicit declaration of function 'm' is invalid in C99 [-Werror,-Wimplicit-function-declaration] (gcc 中会报出 warning,而不是 error) 经过排查,发现...
linux c之出现warning: implicit declaration of function ‘exit’ [-Wimplicit-function-declaration]这个问题,1、问题:2、解决办法:先执行下面命令看exit在哪个头文件下面manexit效果如下图加上头文件编译,问题就解决了3、总结如果看到编译的时候提示wall,我们首先是
实例 试着编译这样一段程序 #include <stdio.h> int *arr; int main() { arr = malloc(...
linux c之出现warning: implicit declaration of function ‘exit’ [-Wimplicit-function-declaration]这个问题
hello.c:9:16: warning: implicit declaration of function ‘max’ [-Wimplicit-function-declaration]hello.c: In function ‘main’: hello.c:9:16: warning: implicit declaration of function ‘max’ [-Wimplicit-function-declaration] int maxNum=max(a1,a2);...
(at least, to me) what the benefit of having that error is if someone is going to recommend (the very reasonable) workaround of using-Wno-error=implicit-function-declaration. Would it make sense to change the default, by adding a-Wno-erroror-Wno-error=implicit-function-declarationprefix to...
1.30.0 fails to build on Mac OS X 10.7: src/lib/ares_event_configchg.c:370:11: error: implicit declaration of function 'fcntl' [-Werror,-Wimplicit-function-declaration] flags = fcntl((*configchg)->fd, F_GETFL, 0); ^ src/lib/ares_event_co...
> y.tab.c: In function 'yyparse': > y.tab.c:1409:16: error: implicit declaration of function 'yylex' > [-Werror=implicit-function-declaration] > y.tab.c:2185:7: error: implicit declaration of function 'yyerror'; did you > mean 'YYerror'? [-Werror=implicit-function-declaration] ...
>> linc.c: In function 'link_exec_set_io_thread': >> linc.c:463:3: error: implicit declaration of function 'g_thread_create_full' >> [-Werror=implicit-function-declaration] >> linc.c:464:4: error: 'G_THREAD_PRIORITY_NORMAL' undeclared (first use in ...