How do I write binary files in C?
An example of an AI chatbot conversation about writing binary files in C.
How do I write binary files in C?
To write binary files in C, you can use the fopen function with the mode "wb". Would you like a code example?
Yes, please provide a code example.
Here's a simple example:
#include <stdio.h>
int main() {
FILE *file = fopen("output.bin", "wb");
if (file == NULL) {
perror("Error opening file");
return 1;
}
int data = 12345;
fwrite(&data, sizeof(data), 1, file);
fclose(file);
return 0;
}
What does fwrite do in this context?
fwrite writes data from memory to the file. In this case, it writes the integer data to the binary file.
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