HelenOS sources
fdopen 83 uspace/app/getterm/getterm.c *stream = fdopen(fd, fmode);
fdopen 76 uspace/app/redir/redir.c *stream = fdopen(fd, fmode);
fdopen 146 uspace/lib/c/generic/io/io.c stdin = fdopen(stdinfd, "r");
fdopen 160 uspace/lib/c/generic/io/io.c stdout = fdopen(stdoutfd, "a");
fdopen 174 uspace/lib/c/generic/io/io.c stderr = fdopen(stderrfd, "a");
fdopen 137 uspace/lib/c/generic/stdio.c stream = fdopen(file, "w+");
fdopen 214 uspace/lib/c/include/stdio.h extern FILE *fdopen(int, const char *);
fdopen 214 uspace/lib/posix/include/libc/stdio.h extern FILE *fdopen(int, const char *);
fdopen 53 uspace/lib/posix/include/posix/stdio.h extern FILE *fdopen(int, const char *);
HelenOS homepage, sources at GitHub