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đọc ghi file trong C

Terms in this set (29)

\b
backspace
\a
ASCII Bell
-may cause receiving device to emit a bell or warning of some kind
strlen()
Returns the length of a string
strcpy
Accepts two C-strings or pointers to two C-strings as arguments. The function copies the second C-string to the first C-string. The second C-string is left unchanged.
strcat(s1, s2)
Concatenates string s2 onto the end of string s1(nối)
strchr()
Finds the first occurrence of a string inside another string (Tìm kí tự trong chuỗi- string character)
strstr()
Finds the first occurrence of a string inside another string (case-sensitive)
String string: tìm chuỗi trong chuỗi
strcmp(s1, s2)
Returns 0 if s1 and s2 are the same; less than 0 if s1<s2; greater than 0 if s1>s2
string compare
strrev()
Reverses a string
strlwr()
converts a string to lowercase
strupr()
converts a string to uppercase
strncat()
nối n kí tự chuỗi sau vào chuỗi trước
fopen
FILE fopen(char file, char *openmode);
Mở 1 tệp tin
fclose
Closes an open file
fputc
writes a character value- ghi 1 kí tự vào tệp
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