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

/*
**  Remove leading, trailing, & excess embedded spaces
**
**  public domain by Bob Stout & Michael Dehlwes
*/

char *trim (char *str)
{
    char *ibuf, *obuf;

    if (str) {
	for (ibuf = obuf = str; *ibuf; ) {
	    while (*ibuf && (isspace (*ibuf)))
		ibuf++;
	    if (*ibuf && (obuf != str))
		*(obuf++) = ' ';
	    while (*ibuf && (!isspace (*ibuf)))
		*(obuf++) = *(ibuf++);
	}
	*obuf = 0;
    }
    return (str);
}

char *strupr(char *string)
{
    char *s;

    if (string)  {
	for (s = string; *s; ++s)
	    *s = toupper(*s);
    }
    return string;
}
.

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