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Write a C program to implement the strlen() function




The prototype of the strlen() function is...


size_t strlen(const char *string);


Here is some C code which implements the strlen() function....


int my_strlen(char *string)
{
  int length;
  for (length = 0; *string != '\0', string++)
  {
    length++;
  }
  return(length);
}




Also, see another example


int my_strlen(char *s)
{
  char *p=s;

  while(*p!='\0')
    p++;

  return(p-s);
}



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Last updated: November 3, 2005

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