make_contact.c
来自「聊天程序~使用LINUX c 语言实现~」· C语言 代码 · 共 31 行
C
31 行
/* make_contact.c */#include <cnaiapi.h>connection make_contact(computer c, appnum a) { struct sockaddr_in sockaddr; int sock; cnaiapi_init(); sock = socket(PF_INET, SOCK_STREAM, 0); if (sock < 0) return -1; (void) memset(&sockaddr, 0, sizeof(struct sockaddr_in)); sockaddr.sin_family = AF_INET; sockaddr.sin_port = htons(a); sockaddr.sin_addr.s_addr = c; if (connect(sock, (struct sockaddr *) &sockaddr, sizeof(struct sockaddr_in)) < 0) {#if defined(FreeBSD) || defined(LINUX) close(sock);#endif return -1; } return sock;}
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