C/stdio.h/getchar

getchar: read a character from stdin

<source lang="cpp">

//Header file: #include <stdio.h> //Declaration: int getchar(void); //Return: returns EOF on error.

 #include <stdio.h>
 int main(void)
 {
   char s[256], *p;
   p = s;
   printf("input char:");
   while((*p++ = getchar())!= "\n");
   *p = "\0"; /* add null terminator */
   printf(s);
   return 0;
 }
        

/* input char:123 123

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      </source>