open a custom stream NAME fopencookie - open a custom stream LIBRARY Standard C library ( libc , -lc ) SYNOPSIS #define _GNU_SO......of the argument stream fmemopen (3) open memory as stream fopen (3) stream open functions fopencookie (3) open a custom stream fprintf (3) formatted output conversion fpurge (3)…...tf("size=%zu; ptr=%s\n", size, ptr); free(ptr); exit(EXIT_SUCCESS); } SEE ALSO fopen (3), fopencookie (3), open_memstream (3)...s at most 5 characters in mode . SEE ALSO open (2), fclose (3), fileno (3), fmemopen (3), fopencookie (3), open_memstream (3)...s at most 5 characters in mode . SEE ALSO open (2), fclose (3), fileno (3), fmemopen (3), fopencookie (3), open_memstream (3)...s at most 5 characters in mode . SEE ALSO open (2), fclose (3), fileno (3), fmemopen (3), fopencookie (3), open_memstream (3)