WordCount C语言实现求文本的字符数，单词数，行数

#include
#include
#include
int countw(char *filename);
int countc(char *filename);
int countl(char *filename);

int main(int argc,char* argv[]){
char filname[30];
char operation;
int totalline;//总行数
int toalchar;//总字符数
int totalword;//总单词数
if(!strcmp(argv[1],"-w"))
countw(argv[2]);
else if(!strcmp(argv[1],"-c"))

countc(argv[2]);
else if(!strcmp(argv[1],"-l"))
countl(argv[2]);
return 0;
}

int countw(char *filename){
FILE *fp=NULL;
FILE *fp2=NULL;
char buffer[1003];
int bufferLen;
int i;
char c;
int isLastBlank = 0;
int totalword=0;
int wordNum = 0;
if( (fp=fopen(filename, "rb")) == NULL ){
perror(filename);
return NULL;
}

while(fgets(buffer, 1003, fp) != NULL){
bufferLen = strlen(buffer);

for(i=0; i c = buffer[i];
if( c==‘ ‘ || c==‘\t‘){
!isLastBlank && wordNum++; //当上一个不是空格，而这一个是空格时单词数+1
isLastBlank = 1;//表明一个空格
}else if(c!=‘\n‘&&c!=‘\r‘){

isLastBlank = 0;
}
}
!isLastBlank && wordNum++;
isLastBlank = 1;
totalword += wordNum;
wordNum = 0;
}
printf("totalword:%d ",totalword);
fp2=fopen("result.txt","a");
if(fp2){
fprintf(fp2,"单词总数：%d\n",totalword);
fclose(fp2);
}
return 0;
}

int countc(char *filename){

FILE *fp=NULL;
FILE *fp2=NULL;
char buffer[1003];
int bufferLen;
int i;
char c;
int isLastBlank = 0;
int totalchar=0;
int charNum = 0;
if( (fp=fopen(filename, "rb")) == NULL ){
perror(filename);
return NULL;
}
while(fgets(buffer, 1003, fp) != NULL){
bufferLen = strlen(buffer);
for(i=0; i c = buffer[i];
if( c==‘ ‘ || c==‘\t‘){
isLastBlank = 1;//字符不统计空格
}else if(c!=‘\n‘&&c!=‘\r‘){
charNum++;
isLastBlank = 0;
}
}

isLastBlank = 1;

totalchar += charNum;

charNum = 0;

}
printf("totalchar:%d",totalchar);
fp2=fopen("result.txt","a");
if(fp2){
fprintf(fp2,"字符总数：%d\n",totalchar);
fclose(fp2);
}
return 0;
}

int countl(char *filename){
FILE *fp=NULL;
FILE *fp2=NULL;
char buffer[1003];
int bufferLen;
int i;
char c;
int totalline=-1;
if( (fp=fopen(filename, "rb")) == NULL ){
perror(filename);
return NULL;
}

while(fgets(buffer, 1003, fp) != NULL){
bufferLen = strlen(buffer);
for(i=0; i c=buffer[i];
if(c==‘\n‘||c==‘\r‘){
totalline++;

}
}
}
printf("totalline:%d",totalline);
fp2=fopen("result.txt","a");
if(fp2){
fprintf(fp2,"总行数：%d\n",totalline);
fclose(fp2);
}
return 0;

}