she finally compiles!!!!!!!!!

exercises/ex04/trout/trout.h

@@ -0,0 +1,96 @@
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <sys/time.h>
+#include <time.h>
+#include <netinet/in.h>
+#include <netinet/in_systm.h>
+#include <netinet/ip.h>
+#include <netinet/ip_icmp.h>
+#include <netinet/udp.h>
+#include <arpa/inet.h>
+#include <netdb.h>
+#include <errno.h>
+#include <fcntl.h>
+#include <signal.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <getopt.h>
+#include <sys/un.h>
+#include <stdarg.h>
+#include <syslog.h>
+#include <unistd.h>
+
+#define BUFSIZE 1500
+
+typedef struct rec {                /* outgoing UDP data */
+  u_short seq;          /* sequence number */
+} Rec;
+
+typedef struct timeval Timeval;
+typedef struct sockaddr Sockaddr;
+
+#define max(a,b) ((a) > (b) ? (a) : (b))
+
+/* the following are prototypes for the Stevens utilities in util.c */
+
+void Sendto(int fd, const void *ptr, size_t nbytes, int flags,
+	    const struct sockaddr *sa, socklen_t salen);
+
+Sockaddr *sasend;    /* socket addresses for various purposes */
+Sockaddr *sarecv;
+Sockaddr *salast;
+Sockaddr *sabind;
+
+socklen_t salen;                    /* length of a socket address */
+
+/* other global variables */
+
+int seq;
+
+char recvbuf[BUFSIZE];
+char sendbuf[BUFSIZE];
+
+int sendfd, recvfd;
+int pipefd[2];              /* the pipe for the alarm handler */
+
+// Sockaddr *sasend;    /* socket addresses for various purposes */
+// Sockaddr *sarecv;
+// Sockaddr *salast;
+// Sockaddr *sabind;
+
+// socklen_t salen;                    /* length of a socket address */
+int datalen;        /* length of the data in a datagram */
+int max_ttl;
+
+u_short sport;                      /* source UDP port # */
+
+                                    /* 668 = the neighbor of the beast */
+Timeval sendtv[1];
+Timeval recvtv[1];
+Timeval difftv[1];
+
+void err_sys (char *fmt, ...);
+void err_quit (char *fmt, ...);
+char *Sock_ntop_host(const struct sockaddr *sa, socklen_t salen);
+int sock_cmp_addr(const struct sockaddr *sa1,
+		  const struct sockaddr *sa2, socklen_t salen);
+void sock_set_port(struct sockaddr *sa, socklen_t salen, int port);
+void tv_sub (struct timeval *out, struct timeval *in);
+char *icmpcode_v4(int code);
+void *Calloc(size_t n, size_t size);
+void Gettimeofday(struct timeval *tv, void *foo);
+void Pipe(int *fds);
+void Bind(int fd, const struct sockaddr *sa, socklen_t salen);
+void Setsockopt(int fd, int level, int optname, const void *optval,
+		socklen_t optlen);
+struct addrinfo *Host_serv(const char *host, const char *serv,
+			   int family, int socktype);
+ssize_t Read(int fd, void *ptr, size_t nbytes);
+void Write(int fd, void *ptr, size_t nbytes);
+ssize_t Recvfrom(int fd, void *ptr, size_t nbytes, int flags,
+		 struct sockaddr *sa, socklen_t *salenptr);
+
+typedef	void Sigfunc(int);
+Sigfunc *Signal(int signo, Sigfunc *func);
+
+void loop_ttl ();