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C traps and defects Chapter 2 syntax "traps" 2.5 function calls

2022-07-21 07:20:00 【weixin_ Guest time】

Function call
On function call , Even if the function has no arguments , It should also include a list of parameters .

for example ,f Is a function name .
Function call statements ：
f();
Calculation function f The address of ：
f;
#include <stdio.h>
#include <stdlib.h>

int f( void ){
printf( "f function.\n" );
return 0;
}

int main( void ){
   printf( "f() = %d, f = %d\n", f(), f );

   return EXIT_SUCCESS;
}

/* Output ：

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