+ [
+ io_functions='clearerr_unlocked feof_unlocked ferror_unlocked
+ fflush_unlocked fputc_unlocked fread_unlocked fwrite_unlocked
+ getc_unlocked getchar_unlocked putc_unlocked putchar_unlocked'
+ for jm_io_func in $io_functions; do
+ # Check for the existence of each function only if its declared.
+ # Otherwise, we'd get the Solaris5.5.1 functions that are not
+ # declared, and that have been removed from Solaris5.6. The resulting
+ # 5.5.1 binaries would not run on 5.6 due to shared library differences.
+ jm_CHECK_DECLARATIONS([#include <stdio.h>
+ ], $jm_io_func,
+ jm_declared=yes,
+ jm_declared=no)
+ if test $jm_declared = yes; then
+ AC_CHECK_FUNCS($jm_io_func)
+ fi
+ done