只要操作數(shù)和操作符的具體節(jié)點的列舉謝謝！typedef?struct{?float?*base;??????float?*top;??????int?stacksize;?}SqStack_f;typedef?struct{??char?*base;??char?*top;??int?stacksize;?}SqStack_c;void?InitStack_f(SqStack_f?*s){??s->base=(float?*)malloc(TTACK_INIT_SIZE*sizeof(float));??if(!s->base)???exit(1);??s->top=s->base;?s->stacksize=TTACK_INIT_SIZE;?}void?InitStack_c(SqStack_c?*s)?{??s->base=(char?*)malloc(TTACK_INIT_SIZE*sizeof(char));?if(!s->base)???exit(1);??s->top=s->base;??s->stacksize=TTACK_INIT_SIZE;?}void?GetTop_f(SqStack_f?*s,float?*e)?{??if(s->top==s->base)??{???printf("ERROR!\n");???exit(1);??}??*e=*(s->top-1);?}?void?GetTop_c(SqStack_c?*s,char?*e)?{??if(s->top==s->base)??{???printf("ERROR!\n");???exit(1);??}??*e=*(s->top-1);?}?void?Push_f(SqStack_f?*s,float?e)??{??if(s->top-s->base>=s->stacksize)??{???????s->base=(float?*)realloc(s->base,(s->stacksize+STACKINCREMENT)*sizeof(float));???????if(!s->base)???{???????printf("OVERFLOW!\n");???????exit(1);???}???????s->top=s->base+s->stacksize;???????s->stacksize+=STACKINCREMENT;??}??????*s->top++=e;}?void?Push_c(SqStack_c?*s,char?e)?{??if(s->top-s->base>=s->stacksize)??{???s->base=(char?*)realloc(s->base,(s->stacksize+STACKINCREMENT)*sizeof(char));???if(!s->base)???{???printf("OVERFLOW!\n");????exit(1);???}??s->top=s->base+s->stacksize;???s->stacksize+=STACKINCREMENT;??}??*s->top++=e;?}