getchar(); {if(b=='n'||b=='N') {kccx();break; } else goto xz; }}} }
void kccx() /*课程查询*/ {system(\ int i;void cd(); kc:
printf(\按学分查询\\n2.按课程性质查询\\n3.返回主菜单\\n\ printf(\请输入(1~3):\\n\ scanf(\ if(i<1|| i>3) {
printf(\输入错误,请重输:\\n\ goto kc; } switch(i) { case(1):
system(\ case(2):
system(\
case(3): {
system(\ } }
/*课程信息的修改*/ void xiu() {
system(\ int i,j;
char m[100],a,b,s[20]; void shanxiu(); zong:
printf(\请选择修改方式:\\n\
printf(\按课程编号修改\\n\printf(\按课程名称修改\\n\
printf(\返回\\n\printf(\请选择：\scanf(\getchar(); system(\
if(j==1) {
xiugai1:
printf(\请输入要修改的课程的编号：\ scanf(\ for(i=0;i<20;i++) {
if(strcmp(cou[i].num,s)==0) {
printf(\课程编号:%s\\n\ printf(\课程名称:%s\\n\ printf(\课程性质:%s\\n\ printf(\总学时:%s\\n\ printf(\授课学时:%s\\n\ printf(\实验或上机学时:%s\\n\ printf(\学分:%s\\n\
printf(\开课学期:%s\\n\ printf(\请修改：\
printf(\课程编号:\
scanf(\printf(\课程名称:\scanf(\printf(\课程性质:\scanf(\printf(\总学时:\scanf(\printf(\授课学时 :\scanf(\
printf(\实验或上机学时:\scanf(\
printf(\学分:\
scanf(\printf(\开课学期:\scanf(\
}
else printf(\对不起，没有您要修改的课程\\n\ printf(\是否继续，输入y/n:\
scanf(\ getchar(); system(\ {if(a=='n'||a=='N') { goto zong; } else goto xiugai1; }}} else if(j==2) {xiugai2:
printf(\请输入要修改的课程的名称：\ scanf(\ system(\ for(i=0;i<20;i++) {
if(strcmp(cou[i].name,m)==0)
{printf(\课程编号:%s\\n\ printf(\课程名称:%s\\n\ printf(\课程性质:%s\\n\ printf(\总学时:%s\\n\ printf(\授课学时:%s\\n\ printf(\实验或上机学时:%s\\n\