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Using and Porting GNU Fortran

8.11.9.110 FPutC Intrinsic (subroutine)

CALL FPutC(Unit, C, Status)

Unit: INTEGER; scalar; INTENT(IN).

C: CHARACTER; scalar; INTENT(IN).

Status: INTEGER(KIND=1); OPTIONAL; scalar; INTENT(OUT).

Intrinsic groups: unix.

Description:

Writes the single character Unit in stream mode to unit 6 (by-passing normal formatted output) using putc(3). Returns in C 0 on success, the error code from ferror(3) otherwise.

Stream I/O should not be mixed with normal record-oriented (formatted or unformatted) I/O on the same unit; the results are unpredictable.

For information on other intrinsics with the same name: See section 10.5.2.42 FPutC Intrinsic (function).