Constants in amxmisc.inc

#define CMDTARGET_OBEY_IMMUNITY (1<<0) // Obey immunity
#define CMDTARGET_ALLOW_SELF    (1<<1) // Allow self targeting
#define CMDTARGET_ONLY_ALIVE    (1<<2) // Target must be alive
#define CMDTARGET_NO_BOTS       (1<<3) // Target can't be a bot