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Print the current function name by using __func__ in C | C preprocessor programs

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mahmoud2506
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2022-05-04
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Print the current function name by using __func__ in C | C preprocessor programs

Macro: __func__

__func__ is the predefine macro, and it is used to get the name of the current function. This macro is added in C99.

 

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mahmoud2506
2022-05-04
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Example:

#include <stdio.h>

//fun1
void fun1(void){
	printf("Called function is: %s\n",__func__);
}

//fun2
void fun2(void){
	printf("Called function is: %s\n",__func__);
}

//Main code
int main(){
	
	printf("Called function is: %s\n",__func__);
	//function callings
	printf("Now,calling the functions...\n");
	fun1();
	fun2();
	
	return 0;	
}

Output

    Called function is: main
    Now,calling the functions...
    Called function is: fun1
    Called function is: fun2

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