Returns a character string giving the equivalence string of
SYS$COMMAND. This is the name of the controlling terminal.
Format
#include <stdio.h>
char *ctermid (char *str);
Function Variants
This function also has variants named _ctermid32 and _ctermid64
for use with 32-bit and 64-bit pointer sizes, respectively. See
Section 1.8 for more information on using
pointer-size-specific functions.
Argument
- str
- Must be a pointer to an array of characters. If this argument is
NULL, the file name is stored internally and might be overwritten by
the next ctermid call. Otherwise, the file name is stored beginning
at the location indicated by the argument. The argument must point
to a storage area of length L_ctermid (defined by the <stdio.h>
header file).
Return Value
| pointer | Points to a character
string. |
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