How to get a FILE pointer from a file descriptor?

Question

I\'m playing around with mkstemp(), which provides a file descriptor, but I want to generate formatted output via fprintf(). Is there an easy way t

Answer 1

FILE* f = fdopen(d, "w");

man fdopen output:

SYNOPSIS

#include 

FILE *
fdopen(int fildes, const char *mode);

The fdopen() function associates a stream with the existing file descriptor, fildes. The mode of the stream must be compatible with the mode of the file descriptor. When the stream is closed via fclose(3), fildes is closed also.