C program to copy a file: This program copies a file, firstly you will specify a file to copy, and then you will enter name and extension of target file . We will open the file that we wish to copy in "read" mode and target file in "write" mode.
C program
#include <stdlib.h>
int main()
{
char ch, source_file[20], target_file[20];
FILE *source, *target;
printf("Enter name of file to copy\n");
gets(source_file);
source = fopen(source_file, "r");
if (source == NULL)
{
printf("Press any key to exit...\n");
exit(EXIT_FAILURE);
}
printf("Enter name of target file\n");
gets(target_file);
target = fopen(target_file, "w");
if (target == NULL)
{
fclose(source);
printf("Press any key to exit...\n");
exit(EXIT_FAILURE);
}
while ((ch = fgetc(source)) != EOF)
fputc(ch, target);
printf("File copied successfully.\n");
fclose(source);
fclose(target);
return 0;
}
Download File copy program.
Output of program: