31 lines
612 B
C
31 lines
612 B
C
#include <errno.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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int main()
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{
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FILE *fp;
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fp = fopen("tmp", "r");
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if (NULL == fp)
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{
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// fprintf(stderr, "fopen() failed! errno = %d\n", errno);
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// out: fopen() failed! errno = 2
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/* errno:定义路径 /usr/include/asm-generic/errno-base.h */
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// perror("fopen()");
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// out: fopen(): No such file or directory
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fprintf(stderr, "fopen(): %s\n", strerror(errno));
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// out: fopen(): No such file or directory
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exit(1);
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}
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puts("OK!");
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fclose(fp);
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exit(0);
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} |