getwc
if ((wch = getwc(fp)) == WEOF) {
wint_t getwc(FILE *);
if ((ch = getwc(fp)) == WEOF)
while ((ch = getwc(fp)) != WEOF && ch != '\n')
while ((ch = getwc(fp)) != WEOF && ch != '\n');
while ((c = getwc(fp)) != EOF) {
while ((ch = getwc(stream)) != '\n' && ch != WEOF) {
if ((ich = getwc(lp->fp)) == WEOF) {
} while ((ich = getwc(lp->fp)) != WEOF && ich != '\n');
while ((ch = getwc(fp)) != WEOF) {
while ((c = getwc(f)) != WEOF) {
switch (c = getwc(f)) {