// $(SCE_PS3_ROOT)\target\ppu\lib\libsysutil_userinfo_stub.a

#include <sysutil/sysutil_userinfo.h>

void printConsoleUserName()
{
    cellSysmoduleLoadModule(CELL_SYSMODULE_SYSUTIL_USERINFO);

    CellUserInfoUserStat stat;
    cellUserInfoGetStat(CELL_SYSUTIL_USERID_CURRENT, &stat);
    printf("current username: %s\n", stat.name);
}