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On implementations where plain char is signed, this code example is noncompliant because the parameter to isspace(), *t, is defined as a const char *, and this value may not be representable as an unsigned char.:
| Code Block | ||||
|---|---|---|---|---|
| ||||
#include <ctype.h>
#include <string.h>
size_t count_preceding_whitespace(const char *s) {
const char *t = s;
size_t length = strlen(s) + 1;
while (isspace(*t) && (t - s < length)) {
++t;
}
return t - s;
} |
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