Char pointer as the function parameter

  

#include <stdio.h>

void f(char *p);

int main(void)
{
  f("this is a test");

  return 0;
}

void f(char *p)
{
  while(*p) { /* loop as long as p does not point to the
                 null which is the string terminator*/
    printf("%c", *p);
    p++;       /* go to next character */
  }
  printf("\n");
}

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Char pointer as the function parameter : Function Parameters « Function « C / ANSI-C

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