20 lines
338 B
C
20 lines
338 B
C
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#include <stdbool.h>
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#include <unistd.h>
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#include <ctype.h>
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#include <stdlib.h>
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bool is_float(const char *s, float dest) {
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if (s == NULL) {
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return false;
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}
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char *endptr;
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dest = (float) strtod(s, &endptr);
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if (s == endptr) {
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return false;
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}
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while (isspace((unsigned char ) *endptr)) {
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endptr++;
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}
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return *endptr == '\0';
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}
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