#include <stdio.h>
#include <ctype.h>

void ljust(char *String);
  
main()
{
    char                  Str[]="     Martin    ";

    puts("Function to left justify text.");
  
    printf("*%s*\n", Str);

    ljust(Str);

    printf("*%s*\n", Str);
}

/*****************************************************************/

void ljust(
    char                 *String)
{
    int                   Pos;
  
    /* ...        Keep looping until a non space
       ...        character appears in the first byte. */
  
    while(isspace(String[0]))
    {
        /* ...      Move all the characters left one place. */
    
        for(Pos=0; Pos < strlen(String)-1; Pos++)
        {
            String[Pos] = String[Pos+1];
        }
    
        String[strlen(String)-1] = ' ';
    }
}