ngx_log_debug7    131 core/ngx_log.h #define ngx_log_debug7  ngx_log_debug
ngx_log_debug7    166 core/ngx_log.h #define ngx_log_debug7(level, log, err, fmt,                                  \
ngx_log_debug7    189 core/ngx_log.h #define ngx_log_debug7(level, log, err, fmt, arg1, arg2, arg3, arg4, arg5,    \