View Code of Problem 58

int main()
{
	char str[10000];
	gets_s(str);
	int num = 0, i=0;
	while (str[i] != '\0')
	{
		while (str[i] != ' '&&str[i] != '\0')
			i++;
		num++;
		while (str[i] == ' '&&str[i] != '\0')
			i++;
	}
	printf("%d", num);
}
/*
Main.c: In function 'main':
Main.c:4:2: warning: implicit declaration of function 'gets_s' [-Wimplicit-function-declaration]
  gets_s(str);
  ^~~~~~
Main.c:14:2: warning: implicit declaration of function 'printf' [-Wimplicit-function-declaration]
  printf("%d", num);
  ^~~~~~
Main.c:14:2: warning: incompatible implicit declaration of built-in function 'printf'
Main.c:14:2: note: include '<stdio.h>' or provide a declaration of 'printf'
Main.c:1:1:
+#include <stdio.h>
 int main()
Main.c:14:2:
  printf("%d", num);
  ^~~~~~
/usr/bin/ld: /tmp/ccsa1LRy.o: in function `main':
Main.c:(.text.startup+0x11): undefined reference to `gets_s'
collect2: error: ld returned 1 exit status
*/