[TD-3160] <fix>: fix c demo program compile issue.

tests/examples/c/apitest.c

@@ -467,7 +467,6 @@ int main(int argc, char *argv[]) {
   const char* passwd = "taosdata";
 
   taos_options(TSDB_OPTION_TIMEZONE, "GMT-8");
-  taos_init();
 
   TAOS* taos = taos_connect(host, user, passwd, "", 0);
   if (taos == NULL) {

tests/examples/c/asyncdemo.c

@@ -99,8 +99,6 @@ int main(int argc, char *argv[])
   tableList = (STable *)malloc(size);
   memset(tableList, 0, size);
 
-  taos_init();
-
   taos = taos_connect(argv[1], "root", "taosdata", NULL, 0);
   if (taos == NULL)
     taos_error(taos);

tests/examples/c/demo.c

@@ -61,11 +61,6 @@ int main(int argc, char *argv[]) {
     return 0;
   }
 
-  // init TAOS
-  if (taos_init()) {
-    exit(1);
-  }
-  
   TAOS *taos = taos_connect(argv[1], "root", "taosdata", NULL, 0);
   if (taos == NULL) {
     printf("failed to connect to server, reason:%s\n", "null taos"/*taos_errstr(taos)*/);

tests/examples/c/makefile

@@ -6,7 +6,7 @@ TARGET=exe
 LFLAGS = '-Wl,-rpath,/usr/local/taos/driver/' -ltaos -lpthread -lm -lrt
 CFLAGS = -O3 -g -Wall -Wno-deprecated -fPIC -Wno-unused-result -Wconversion \
 	-Wno-char-subscripts -D_REENTRANT -Wno-format -D_REENTRANT -DLINUX \
-	-msse4.2 -Wno-unused-function -D_M_X64 -I/usr/local/taos/include -std=gnu99
+	-Wno-unused-function -D_M_X64 -I/usr/local/taos/include -std=gnu99
 
 all: $(TARGET)
 

tests/examples/c/prepare.c

@@ -22,12 +22,6 @@ int main(int argc, char *argv[])
     return 0;
   }
 
-  // init TAOS
-  if (taos_init()) {
-    printf("failed to init taos\n");
-    exit(1);
-  }
-
   taos = taos_connect(argv[1], "root", "taosdata", NULL, 0);
   if (taos == NULL) {
     printf("failed to connect to db, reason:%s\n", taos_errstr(taos));

tests/examples/c/stream.c

@@ -54,12 +54,6 @@ int main(int argc, char *argv[])
     exit(0);
   } 
 
-  // init TAOS
-  if (taos_init()) {
-    printf("failed to init taos\n");
-    exit(1);
-  }
-
   strcpy(db_name, argv[2]);
   strcpy(tbl_name, argv[3]);
   

tests/examples/c/subscribe.c

@@ -216,12 +216,6 @@ int main(int argc, char *argv[]) {
     }
   }
 
-  // init TAOS
-  if (taos_init()) {
-    printf("failed to init taos\n");
-    exit(1);
-  }
-
   TAOS* taos = taos_connect(host, user, passwd, "", 0);
   if (taos == NULL) {
     printf("failed to connect to db, reason:%s\n", taos_errstr(taos));