// Converting a string to uppercase using a
// non-constant pointer to non-constant data.
#include <stdio.h>
#include <ctype.h>
void convertToUppercase( char *sPtr ); // prototype
int main( void )
{
char string[] = "cHaRaCters and $32.98"; // initialize char array
printf( "The string before conversion is: %s", string );
convertToUppercase( string );
printf( "\nThe string after conversion is: %s\n", string );
} // end main
// convert string to uppercase letters
void convertToUppercase( char *sPtr )
{
while ( *sPtr != '\0' ) { // current character is not '\0'
*sPtr = toupper( *sPtr ); // convert to uppercase
++sPtr; // make sPtr point to the next character
} // end while
} // end function convertToUppercase
0 comments:
Post a Comment