Integer_Type fflush (File_Type fp)
The fflush function may be used to update the output
stream specified by fp. It returns 0 upon success, or
-1 upon failure and sets errno accordingly. In
particular, this function will fail if fp does not represent
an output stream, or if fp is associated with a disk file and
there is insufficient disk space.
This example illustrates how to use the fflush function
without regard to the return value:
() = fputs ("Enter value> ", stdout);
() = fflush (stdout);
Many C programmers disregard the return value from the fflush
function. The above example illustrates how to properly do this in
the S-Lang langauge.
- slangrtl
-
clearerr,
close,
fclose,
fdopen,
feof,
ferror,
fgets,
fgetslines,
fileno,
fopen,
fputs,
fread,
fseek,
ftell,
fwrite,
isatty,
mkdir,
open,
pclose,
popen
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