2 ** trimcpy.c -- strip leading and trailing whitespace,
3 ** -- replace internal whitespace with spaces,
4 ** -- then return a copy.
6 ** This code is Copyright (c) 2002, by the authors of nmh. See the
7 ** COPYRIGHT file in the root directory of the nmh distribution for
8 ** complete copyright information.
16 trimcpy(unsigned char *cp)
20 /* skip over leading whitespace */
24 /* start at the end and zap trailing whitespace */
25 for (sp = cp + strlen(cp) - 1; sp >= cp; sp--) {
32 /* replace remaining whitespace with spaces */
33 for (sp = cp; *sp; sp++) {
38 /* now return a copy */