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What is a function specifier in C?
In C and C++ there are some function specifiers. The function specifiers are used to specify the functions property. C++ has inline function specifier. In C there is _Noreturn function specifier. This is used to denote that one function will not return anything.
Example
#include<stdio.h>
int myAdd(int a, int b){
return a + b;
}
main() {
int x = 10, y = 20;
printf("The value is: %d
", myAdd(x, y));
}Output
The value is: 30
If the _Noreturn is used it will display some warning and the program will be terminated with some error.
Example
#include<stdio.h>
_Noreturn int myAdd(int a, int b){
return a + b;
}
main() {
int x = 10, y = 20;
printf("The value is: %d
", myAdd(x, y));
}Output
[Warning] function declared 'noreturn' has a 'return' statement [Warning] 'noreturn' function does return
Updated on: 30-Jul-2019
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