PRO*C入门实例
linux下编译命令：
将PC编译成C：proc parse=none iname=main.pc
将C编译成可执行文件：gcc -g -o main main.c -I$ORACLE_HOME/precomp/public -L$ORACLE_HOME/lib -lclntsh

#include "sqlca.h"#include <stdio.h>#include <stdlib.h>#include <string.h>void sql_error(char *msg) { printf("\n%s %s\n", msg,(char *)sqlca.sqlerrm.sqlerrmc); EXEC SQL ROLLBACK RELEASE; exit(0);}int main() {EXEC SQL INCLUDE sqlca;EXEC Oracle OPTION (RELEASE_CURSOR = YES);EXEC SQL WHENEVER SQLERROR DO sql_error(" ");EXEC SQL BEGIN DECLARE SECTION;VARCHAR oraCN[30];VARCHAR consName[256];EXEC SQL END DECLARE SECTION;strcpy(oraCN.arr,"eic3/eic3@cjdb");oraCN.len = strlen(oraCN.arr);oraCN.arr[oraCN.len]='\0';EXEC SQL CONNECT :oraCN;printf("[OK Connected!]\n");EXEC SQL select cons_name into :consName from c_cons where cons_id=10000;consName.arr[consName.len]=0x00;printf("%s\n",consName.arr);EXEC SQL COMMIT WORK RELEASE;return 0;}