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get the errno value
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This commit is contained in:
Greg Gauthier 2026-02-08 14:59:34 +00:00
parent cf443e62b5
commit 78ea32b3d9
2 changed files with 3 additions and 2 deletions
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src/TXTWKR01.c
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@ -1,4 +1,5 @@
#include <stdio.h> #include <stdio.h>
#include <errno.h>
#define BUFFER_SIZE 256 #define BUFFER_SIZE 256
@ -18,7 +19,7 @@ int main()
if (fp == NULL) if (fp == NULL)
{ {
perror("fopen failed."); perror("fopen failed.");
printf("errno = %d\n", errno); printf("errno = %d\n", __errno());
return 1; return 1;
} }