11 lines
348 B
C
11 lines
348 B
C
/* assign an empty string */
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const char *str = "";
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/* to test a null string */
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if (str) { ... }
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/* to test if string is empty */
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if (str[0] == '\0') { ... }
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/* or equivalently use strlen function */
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if (strlen(str) == 0) { ... }
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/* or compare to a known empty string, same thing. "== 0" means strings are equal */
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if (strcmp(str, "") == 0) { ... }
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