1*75f6d617Schristos#serial 7 -*- autoconf -*- 2*75f6d617Schristos 3*75f6d617Schristosdnl From Jim Meyering. 4*75f6d617Schristosdnl 5*75f6d617Schristosdnl See if the glibc *_unlocked I/O macros are available. 6*75f6d617Schristosdnl Use only those *_unlocked macros that are declared. 7*75f6d617Schristosdnl 8*75f6d617Schristos 9*75f6d617SchristosAC_DEFUN([jm_FUNC_GLIBC_UNLOCKED_IO], 10*75f6d617Schristos [AC_CHECK_DECLS( 11*75f6d617Schristos [clearerr_unlocked, feof_unlocked, ferror_unlocked, 12*75f6d617Schristos fflush_unlocked, fgets_unlocked, fputc_unlocked, fputs_unlocked, 13*75f6d617Schristos fread_unlocked, fwrite_unlocked, getc_unlocked, 14*75f6d617Schristos getchar_unlocked, putc_unlocked, putchar_unlocked])]) 15