NAME flockfile, ftrylockfile, funlockfile - lock FILE for stdio LIBRARY Standard C library ( libc , -lc ) SYNOPSIS ... FILE * filehandle ); int ftrylockfile(FILE * filehandle ); vo…NAME flockfile, ftrylockfile, funlockfile - lock FILE for stdio LIBRARY Standard C library ( libc , -lc ) SYNOPSIS ... FILE * filehandle ); int ftrylockfile(FILE * filehandle ); vo…NAME flockfile, ftrylockfile, funlockfile - lock FILE for stdio LIBRARY Standard C library ( libc , -lc ) SYNOPSIS ... FILE * filehandle ); int ftrylockfile(FILE * filehandle ); vo…getpwnam_r () getpwuid_r () flockfile () ftrylockfile () funlockfile () getc_unlocked () getchar_unlocked () putc_unlocked () putchar_unlocked