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#include <errno.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#define READ_MAX 255
static char test_str1[] = "123454567890abcdefghijklmnopqrstufvwxyz";
static char test_str2[READ_MAX];
int main(int argc, char** argv)
{
int i = 0;
FILE* f;
// write to file
debug_printf("Write file...\n");
f
= fopen("testfile.txt", "w");
while (test_str1[i] != 'a') {
i++;
}
// append to file
debug_printf("Apend file...\n");
f
= fopen("testfile.txt", "a");
char null_term = '\0';
fwrite(&null_term
, sizeof(char), 1, f
);
// copy from testfile.txt to copyfile.txt
debug_printf("Read file...\n");
f
= fopen("testfile.txt", "r");
i = 0;
while ((test_str2
[i
] = fgetc(f
)) != EOF
&& i
< READ_MAX
) {
fputc(test_str2
[i
], stdout
);
i++;
}
if (!strcmp(test_str2
, test_str1
)) {
} else {
}
}