【库】c实现数组

———————————array.h——————————— #ifndef ARRAY_H #define ARRAY_H #ifndef ERR #define ERR -1 #define OK 1 #endif #ifndef MIN #define MIN 0 #define MAX 100 #endif typedef int status; typedef int elemtype; typedef struct { elemtype *iva; int size; } array; status array_init( array *, int ); status w_array( array* ); status print( array* ); elemtype find( array*,int ); #endif __________________array.c___________________________ #include <stdio.h> #include <malloc.h> #include "array.h" status array_init( array *pev, int sz = MAX ) { pev->iva = ( elemtype* ) malloc ( sz * sizeof ( elemtype ) ); if( !pev->iva ) return ERR; pev->size = sz; return OK; } status w_array( array *op ) { int ix; if( !op ) return ERR; printf( "请输入%d个数：",op->size ); for( ix = 0; ix < op->size; ++ix ) scanf( "%d", &op->iva[ ix ] ); return OK; } status print( array *op ) { int ix; if( !op ) return ERR; printf( "正在输出%d个数：",op->size ); for( ix = 0; ix < op->size; ++ix ) printf( "%d ", op->iva[ ix ] ); printf( "/n" ); return OK; } elemtype find( array *op,int xi ) { if( !op ) return ERR; return op->iva[ xi ]; }