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#define _CRT_SECURE_NO_WARNINGS
#include <stdio.h>
#include <string.h>
 
int main()
{
	char *s = "0xaf10 42 0x27C 9952";
	int num1;
	int num2;
	int num3;
	int num4;
	char *end;
 
 
	num1=strtol(s, &end, 16);
	num2=strtol(end, &end, 10);
	num3=strtol(end, &end, 16);
	num4=strtol(end, NULL, 10);
	printf("%d\n", num);
 
 
	return 0;
}

prog.c: In function 'main':
prog.c:15:7: warning: implicit declaration of function 'strtol' [-Wimplicit-function-declaration]
  num1=strtol(s, &end, 16);
       ^
prog.c:19:17: error: 'num' undeclared (first use in this function)
  printf("%d\n", num);
                 ^
prog.c:19:17: note: each undeclared identifier is reported only once for each function it appears in
prog.c:11:6: warning: variable 'num4' set but not used [-Wunused-but-set-variable]
  int num4;
      ^
prog.c:10:6: warning: variable 'num3' set but not used [-Wunused-but-set-variable]
  int num3;
      ^
prog.c:9:6: warning: variable 'num2' set but not used [-Wunused-but-set-variable]
  int num2;
      ^
prog.c:8:6: warning: variable 'num1' set but not used [-Wunused-but-set-variable]
  int num1;
      ^

Standard output is empty