MOUNTMGR_IS_DRIVE_LETTER - NtDoc

#ifndef _NTIOAPI_H

// Macro that defines what a "drive letter" mount point is.  This macro can
// be used to scan the result from QUERY_POINTS to discover which mount points
// are find "drive letter" mount points.
#define MOUNTMGR_IS_DRIVE_LETTER(s) ( \
    (s)->Length == 28 && \
    (s)->Buffer[0] == '\\' && \
    (s)->Buffer[1] == 'D' && \
    (s)->Buffer[2] == 'o' && \
    (s)->Buffer[3] == 's' && \
    (s)->Buffer[4] == 'D' && \
    (s)->Buffer[5] == 'e' && \
    (s)->Buffer[6] == 'v' && \
    (s)->Buffer[7] == 'i' && \
    (s)->Buffer[8] == 'c' && \
    (s)->Buffer[9] == 'e' && \
    (s)->Buffer[10] == 's' && \
    (s)->Buffer[11] == '\\' && \
    (s)->Buffer[12] >= 'A' && \
    (s)->Buffer[12] <= 'Z' && \
    (s)->Buffer[13] == ':')

#endif
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