在Help中点一下SysUtils中的超链就可以看到了。下面是部分函数：
Abort procedureRaises a silent exception.AddExitProc procedureAdd procedure to exit list.AddTerminateProc procedureAdds a terminate procedure to the system list of termination procedures.AllocMem functionAllocates a memory block and initializes each byte to zero.AnsiCompareFileName functionCompares file names based on the current locale.AnsiCompareStr functionCompares strings based on the current locale with case sensitivity.AnsiCompareText functionCompares strings based on the current locale without case sensitivity.AnsiDequotedStr functionConverts a quoted string into an unquoted AnsiExtractQuotedStr functionConverts a quoted string into an unquoted string.AnsiLastChar functionReturns a pointer to the last character in a string.AnsiLowerCase functionReturns a string that is a copy of the given string converted to lower case.AnsiLowerCaseFileName functionConverts a file name to lower case.AnsiPos functionLocates the position of a substring within a string.AnsiQuotedStr functionReturns the quoted version of a string.AnsiSameStr functionCompares strings based on the current locale with case sensitivity.AnsiSameText functionCompares strings based on the current locale without case sensitivity.AnsiStrComp functionCompares null-terminated character strings.AnsiStrIComp functionCompares null terminated character strings case insensitively.AnsiStrLastChar functionReturns a pointer to the last character in a null-terminated string.AnsiStrLComp functionCompares the first MaxLen bytes of two null-terminated strings, case-sensitively.AnsiStrLIComp functionCompares two strings, case-insensitively, up to the first MaxLen bytes.AnsiStrLower functionConverts all characters in a null-terminated string to lower case.AnsiStrPos functionReturns a pointer to the first occurrence of SubStr in Str.AnsiStrRScan functionReturns a pointer to the last occurrence of a specified character in a specified string.
Abort procedureRaises a silent exception.AddExitProc procedureAdd procedure to exit list.AddTerminateProc procedureAdds a terminate procedure to the system list of termination procedures.AllocMem functionAllocates a memory block and initializes each byte to zero.AnsiCompareFileName functionCompares file names based on the current locale.AnsiCompareStr functionCompares strings based on the current locale with case sensitivity.AnsiCompareText functionCompares strings based on the current locale without case sensitivity.AnsiDequotedStr functionConverts a quoted string into an unquoted AnsiExtractQuotedStr functionConverts a quoted string into an unquoted string.AnsiLastChar functionReturns a pointer to the last character in a string.AnsiLowerCase functionReturns a string that is a copy of the given string converted to lower case.AnsiLowerCaseFileName functionConverts a file name to lower case.AnsiPos functionLocates the position of a substring within a string.AnsiQuotedStr functionReturns the quoted version of a string.AnsiSameStr functionCompares strings based on the current locale with case sensitivity.AnsiSameText functionCompares strings based on the current locale without case sensitivity.AnsiStrComp functionCompares null-terminated character strings.AnsiStrIComp functionCompares null terminated character strings case insensitively.AnsiStrLastChar functionReturns a pointer to the last character in a null-terminated string.AnsiStrLComp functionCompares the first MaxLen bytes of two null-terminated strings, case-sensitively.AnsiStrLIComp functionCompares two strings, case-insensitively, up to the first MaxLen bytes.AnsiStrLower functionConverts all characters in a null-terminated string to lower case.AnsiStrPos functionReturns a pointer to the first occurrence of SubStr in Str.AnsiStrRScan functionReturns a pointer to the last occurrence of a specified character in a specified string.
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