3 * trimcpy.c -- strip leading and trailing whitespace,
4 * -- replace internal whitespace with spaces,
5 * -- then return a copy.
18 /* skip over leading whitespace */
22 /* start at the end and zap trailing whitespace */
23 for (sp = cp + strlen(cp) - 1; sp >= cp; sp--) {
30 /* replace remaining whitespace with spaces */
31 for (sp = cp; *sp; sp++) {
36 /* now return a copy */