1. 解释出现该警告的原因 警告信息“warning: passing argument 1 of 'printf' makes pointer from integer without a cast”通常出现在C或C++编程中,当你尝试将一个整数作为printf函数的第一个参数(即格式字符串)传递时。printf函数的第一个参数应该是一个指向以null结尾的字符串的指针,这个字符串定义了后续参数...
passing argument 1 of ‘pthread_mutex_lock‘ from incompatible pointer type 这类警告出现的原因是:xxx函数的x参数作为指针类型参数,指针类型不相容。 解决办法: 在调用函数的参数前加上强制类型转换即可。 示例 源代码: void * signal_exit(void) { printf("Stop sniffer\n"); exit(0); } int main(void...
str[1]); //字符串复制到字符 错误 if(strcmp(str[2],string)>0) //字符串与字符比较 错误 strcpy(string,str[2]); //字符串复制到字符 错误printf("%s",string); //以字符串形式输出字符 错误}
两处错误：数组传递时使用的指针传递，所以实参传入数组首地址即可即a；因为传入函数的是指针，所以在函数中sizeof(a)和sizeof(a[0])就没有意义(实际两个相等)，不能算出数组的大小，最好的做法是在main函数中先算出数组大小然后传入函数。当然，函数中也可以处理，需要做一些数组拷贝，然后再计算，...
n None; number of characters produced so far written to argument pointer Notes: The %a specifier for hexadecimal floating-point notation (introduced in C99 and C++11) is not currently supported. If you want to print the percent sign (%, US-ASCII character 37), use "%%" in your format ...
The C++ language specifies that implementations are permitted but not required to support passing class types to satisfy a classic C-style...argument.¹ The clang and gcc compilers do not allow it, but msvc does. What is it about x86-32 that makes the code crash, and what is it about...
First argument is a C "int", passed by value ;;; c INTEGER(C_INT), VALUE,INTENT(IN) :: int_arg ;;; ! Second and third arguments are C "char *", represented ;;; ! in Fortran by an array of single characters of kind C_CHAR. ;;; ! Note that the langua...
The first argument passed to error callbacks will be the error string returned from the failed task. ChordCallback is used to create a callback to a group of tasks. Supported Types Machinery encodes tasks to JSON before sending them to the broker. Task results are also stored in the ...
解释:integer与pointer比较 3、 warning: assignment discards qualifiers from pointer target type 解释:赋值时,取消了右值的限定。 4、 warning: passing argument 1 of 'send' makes pointer from integer without a cast 解释:函数send的第一个integer型参数没有强制转换为pointer型 ...
Do not use c_int32_t or c_long as a handle argument. Use the Windows (IFWINTY.MOD) data type HANDLE instead. This is generally a c_intptr_t type. IOW an integer type that is the bit size of an address pointer. c_int32_t and c_long may work in a Win32 build but not work...