Open System Services Library Calls Reference Manual (G06.27+, H06.04+)

OSS Library Calls (t - v) vfprintf(3)
[EPIPE] An attempt was made to write to a pipe or FIFO that is not open for reading by
any process. A SIGPIPE signal will also be sent to the process.
RELATED INFORMATION
Functions: fprintf(3), printf(3), sprintf(3), vprintf(3), vsprintf(3).
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