Get the text associated with a plug and play device
#include <sys/dcmd_chr.h> #define DCMD_CHR_PNPTEXT __DIOF(_DCMD_CHR, 99, char)
Argument | Value |
---|---|
filedes | A file descriptor that you obtained by opening the device. |
dcmd | DCMD_CHR_PNPTEXT |
dev_data_ptr | A pointer to a char buffer |
n_bytes | The size of the buffer |
dev_info_ptr | NULL |
This command gets the text associated with a plug and play device. This command is usually associated with printer devices.
None.
The plug and play device's text.
char buf[500]; if(devctl(fd, DCMD_CHR_PNPTEXT, buf, sizeof(buf), NULL) == EOK) { /* Parse the plug and play text. */ }
devctl() in the QNX Neutrino C Library Reference