segreg_t            7 mtcp/mtcp_header.h typedef unsigned short segreg_t;
segreg_t            9 mtcp/mtcp_header.h typedef unsigned short segreg_t;
segreg_t           11 mtcp/mtcp_header.h typedef unsigned int segreg_t;
segreg_t           13 mtcp/mtcp_header.h typedef unsigned long int segreg_t;