0_0_21991719_12275.c 0_0_21991719_12275.c(4) : error C2061: Óï·¨´íÎó: ±êʶ·û¡°namespace¡± 0_0_21991719_12275.c(4) : error C2059: Óï·¨´íÎó:¡°;¡±