Provided by: libdrm-dev_2.4.129-1_amd64 

Name
drmAvailable - determine whether a DRM kernel driver has been loaded
Synopsis
#include <xf86drm.h>
int drmAvailable(void);
Description
drmAvailable allows the caller to determine whether a kernel DRM driver is loaded.
Return Value
drmAvailable returns 1 if a DRM driver is currently loaded. Otherwise 0 is returned.
Reporting Bugs
Bugs in this function should be reported to <https://gitlab.freedesktop.org/mesa/libdrm/-/issues>
See Also
drm(7), drmOpen(3)
September 2012 drmAvailable(3)